From 40b21cc3c4d2622bbd4f88d43073341854d9a671 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sun, 11 Jul 2021 17:20:40 -0300
Subject: Separate GPU engines (part 2/2) (#2440)

* 3D engine now uses DeviceState too, plus new state modification tracking

* Remove old methods code

* Remove GpuState and friends

* Optimize DeviceState, force inline some functions

* This change was not supposed to go in

* Proper channel initialization

* Optimize state read/write methods even more

* Fix debug build

* Do not dirty state if the write is redundant

* The YControl register should dirty either the viewport or front face state too, to update the host origin

* Avoid redundant vertex buffer updates

* Move state and get rid of the Ryujinx.Graphics.Gpu.State namespace

* Comments and nits

* Fix rebase

* PR feedback

* Move changed = false to improve codegen

* PR feedback

* Carry RyuJIT a bit more
---
 Ryujinx.Graphics.Gpu/Engine/MethodReport.cs | 131 ----------------------------
 1 file changed, 131 deletions(-)
 delete mode 100644 Ryujinx.Graphics.Gpu/Engine/MethodReport.cs

(limited to 'Ryujinx.Graphics.Gpu/Engine/MethodReport.cs')

diff --git a/Ryujinx.Graphics.Gpu/Engine/MethodReport.cs b/Ryujinx.Graphics.Gpu/Engine/MethodReport.cs
deleted file mode 100644
index 2dd0bbfa..00000000
--- a/Ryujinx.Graphics.Gpu/Engine/MethodReport.cs
+++ /dev/null
@@ -1,131 +0,0 @@
-using Ryujinx.Common;
-using Ryujinx.Graphics.GAL;
-using Ryujinx.Graphics.Gpu.Memory;
-using Ryujinx.Graphics.Gpu.State;
-using System;
-using System.Runtime.InteropServices;
-
-namespace Ryujinx.Graphics.Gpu.Engine
-{
-    partial class Methods
-    {
-        private const int NsToTicksFractionNumerator   = 384;
-        private const int NsToTicksFractionDenominator = 625;
-
-        /// <summary>
-        /// Writes a GPU counter to guest memory.
-        /// </summary>
-        /// <param name="state">Current GPU state</param>
-        /// <param name="argument">Method call argument</param>
-        private void Report(GpuState state, int argument)
-        {
-            SemaphoreOperation op = (SemaphoreOperation)(argument & 3);
-            ReportCounterType type = (ReportCounterType)((argument >> 23) & 0x1f);
-
-            switch (op)
-            {
-                case SemaphoreOperation.Release: ReleaseSemaphore(state);    break;
-                case SemaphoreOperation.Counter: ReportCounter(state, type); break;
-            }
-        }
-
-        /// <summary>
-        /// Writes (or Releases) a GPU semaphore value to guest memory.
-        /// </summary>
-        /// <param name="state">Current GPU state</param>
-        private void ReleaseSemaphore(GpuState state)
-        {
-            var rs = state.Get<SemaphoreState>(MethodOffset.ReportState);
-
-            state.Channel.MemoryManager.Write(rs.Address.Pack(), rs.Payload);
-
-            _context.AdvanceSequence();
-        }
-
-        /// <summary>
-        /// Packed GPU counter data (including GPU timestamp) in memory.
-        /// </summary>
-        private struct CounterData
-        {
-            public ulong Counter;
-            public ulong Timestamp;
-        }
-
-        /// <summary>
-        /// Writes a GPU counter to guest memory.
-        /// This also writes the current timestamp value.
-        /// </summary>
-        /// <param name="state">Current GPU state</param>
-        /// <param name="type">Counter to be written to memory</param>
-        private void ReportCounter(GpuState state, ReportCounterType type)
-        {
-            var rs = state.Get<SemaphoreState>(MethodOffset.ReportState);
-
-            ulong gpuVa = rs.Address.Pack();
-
-            ulong ticks = ConvertNanosecondsToTicks((ulong)PerformanceCounter.ElapsedNanoseconds);
-
-            if (GraphicsConfig.FastGpuTime)
-            {
-                // Divide by some amount to report time as if operations were performed faster than they really are.
-                // This can prevent some games from switching to a lower resolution because rendering is too slow.
-                ticks /= 256;
-            }
-
-            ICounterEvent counter = null;
-
-            EventHandler<ulong> resultHandler = (object evt, ulong result) =>
-            {
-                CounterData counterData = new CounterData();
-
-                counterData.Counter = result;
-                counterData.Timestamp = ticks;
-
-                if (counter?.Invalid != true)
-                {
-                    state.Channel.MemoryManager.Write(gpuVa, counterData);
-                }
-            };
-
-            switch (type)
-            {
-                case ReportCounterType.Zero:
-                    resultHandler(null, 0);
-                    break;
-                case ReportCounterType.SamplesPassed:
-                    counter = _context.Renderer.ReportCounter(CounterType.SamplesPassed, resultHandler);
-                    break;
-                case ReportCounterType.PrimitivesGenerated:
-                    counter = _context.Renderer.ReportCounter(CounterType.PrimitivesGenerated, resultHandler);
-                    break;
-                case ReportCounterType.TransformFeedbackPrimitivesWritten:
-                    counter = _context.Renderer.ReportCounter(CounterType.TransformFeedbackPrimitivesWritten, resultHandler);
-                    break;
-            }
-
-            state.Channel.MemoryManager.CounterCache.AddOrUpdate(gpuVa, counter);
-        }
-
-        /// <summary>
-        /// Converts a nanoseconds timestamp value to Maxwell time ticks.
-        /// </summary>
-        /// <remarks>
-        /// The frequency is 614400000 Hz.
-        /// </remarks>
-        /// <param name="nanoseconds">Timestamp in nanoseconds</param>
-        /// <returns>Maxwell ticks</returns>
-        private static ulong ConvertNanosecondsToTicks(ulong nanoseconds)
-        {
-            // We need to divide first to avoid overflows.
-            // We fix up the result later by calculating the difference and adding
-            // that to the result.
-            ulong divided = nanoseconds / NsToTicksFractionDenominator;
-
-            ulong rounded = divided * NsToTicksFractionDenominator;
-
-            ulong errorBias = (nanoseconds - rounded) * NsToTicksFractionNumerator / NsToTicksFractionDenominator;
-
-            return divided * NsToTicksFractionNumerator + errorBias;
-        }
-    }
-}
\ No newline at end of file
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